The One:1 is the ultimate evolution of the Koenigsegg Agera. Billed as the world's first megacar, it packs a full megawatt of power – or 1,341 horsepower – from its 5.0-liter twin-turbo V8 engine. It derives its name from the perfect power-to-weight ratio of one horsepower per kilo of curb weight. The net result is a top speed of 273 miles per hour, and records clocked for straight-line performance and lap times at Spa and Suzuka.
Aside from the six examples that Christian von Koenigsegg and company built for public consumption, it also made one factory prototype. That was the one it displayed at Geneva, the one that racked up those records, and the one that served as a test bed for the others. So you can bet it has taken a beating and then some, but is said to be undergoing an "extensive factory refresh" before it's ready to be delivered next month to whomever coughs up the cash – and who must be fortunate (by every sense of the term) to afford spending $6 million on a single automobile. The sale is being handled by British dealer SuperVetture in Sinningdale, UK, which reports that the One:1 should be eligible to import to the United States under show and display regulations.